8725217163 has 16 divisors (see below), whose sum is σ = 12551705376. Its totient is φ = 5359426560.

The previous prime is 8725217117. The next prime is 8725217191. The reversal of 8725217163 is 3617125278.

8725217163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8725217163 - 2¹⁶ = 8725151627 is a prime.

It is a super-2 number, since 2×8725217163² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8725217063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185670 + ... + 227867.

It is an arithmetic number, because the mean of its divisors is an integer number (784481586).

Almost surely, 2^8725217163 is an apocalyptic number.

8725217163 is a deficient number, since it is larger than the sum of its proper divisors (3826488213).

8725217163 is a wasteful number, since it uses less digits than its factorization.

8725217163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414094.

The product of its digits is 141120, while the sum is 42.

The square root of 8725217163 is about 93408.8709010017. The cubic root of 8725217163 is about 2058.6953409074.

The spelling of 8725217163 in words is "eight billion, seven hundred twenty-five million, two hundred seventeen thousand, one hundred sixty-three".